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1,2-Ethanediol

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Gas phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Deltafgas-394.4 ± 2.8kJ/molCcrKnauth and Sabbah, 1990see Knauth and Sabbah, 1989; ALS
Deltafgas-388. ± 2.kJ/molCcbGardner and Hussain, 1972ALS
Deltafgas-390.3kJ/molN/AMcClaine, 1947Value computed using «DELTA»fHliquid° value of -455.9 kj/mol from McClaine, 1947 and «DELTA»vapH° value of 65.6 kj/mol from Knauth and Sabbah, 1990.; DRB
Deltafgas-389.3kJ/molN/AParks, West, et al., 1946Value computed using «DELTA»fHliquid° value of -454.9±0.3 kj/mol from Parks, West, et al., 1946 and «DELTA»vapH° value of 65.6 kj/mol from Knauth and Sabbah, 1990.; DRB
Deltafgas-387.5kJ/molN/AMoureu and Dode, 1937Value computed using «DELTA»fHliquid° value of -453.1±1.2 kj/mol from Moureu and Dode, 1937 and «DELTA»vapH° value of 65.6 kj/mol from Knauth and Sabbah, 1990.; DRB
Quantity Value Units Method Reference Comment
gas311.84J/mol*KN/AChao J., 1986Other third-law entropy values at 298.15 K known from literature are 284.5 [ Buckley P., 1967], 312.5 [ Stull D.R., 1969], and 315.47(5.36) J/mol*K [ Yeh T.-S., 1994].; GT

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
59.79200.Yeh T.-S., 1994Other statistically calculated values of entropy at 298.15 K (274.76 [ Buckley P., 1967], 293.76 [ Frei H., 1977], 303.8 [ Chao J., 1986], and 323.55 J/mol*K [ Dyatkina M.E., 1954]) are in worse agreement with third-law entropy value.; GT
77.99298.15
78.41300.
97.99400.
113.64500.
125.65600.
135.23700.
143.26800.
150.25900.
156.401000.

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-460.0 ± 2.8kJ/molCcrKnauth and Sabbah, 1990see Knauth and Sabbah, 1989; ALS
Deltafliquid-455.6 ± 0.8kJ/molCcbGardner and Hussain, 1972ALS
Deltafliquid-455.85kJ/molCcbMcClaine, 1947ALS
Deltafliquid-454.9 ± 0.3kJ/molCcbParks, West, et al., 1946ALS
Deltafliquid-453.1 ± 1.2kJ/molCcbMoureu and Dode, 1937Reanalyzed by Cox and Pilcher, 1970, Original value = -452.3 kJ/mol; ALS
Quantity Value Units Method Reference Comment
Deltacliquid-1191. ± 10.kJ/molAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
liquid166.9J/mol*KN/AParks, Kelley, et al., 1929Extrapolation below 90 K, 8.2 cal/mol*K. Revision of previous data.; DH
liquid179.5J/mol*KN/AParks and Kelley, 1925Extrapolation below 90 K, 11.46 cal/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
149.8298.Zaripov, 1982T = 298, 323, 363 K.; DH
149.3298.Stephens and Tamplin, 1979T = 273 to 493 K.; DH
149.6298.15Murthy and Subrahmanyam, 1977DH
145.2303.Kawaizumi, Otake, et al., 1972DH
150.6301.2Paz Andrade, Paz, et al., 1970T = 28, 40°C.; DH
150.33298.15Nikolaev and Rabinovich, 1967T = 80 to 300 K.; DH
147.3298.Tungusov and Mishchenko, 1965DH
148.87298.Rabinovich and Nikolaev, 1962T = 10 to 55°C.; DH
145.6293.4Neiman and Kurlyankin, 1932T = 20.2 to 78.4°C. Value is unsmoothed experimental datum.; DH
149.4293.0Parks and Kelley, 1925T = 88 to 293 K. Value is unsmoothed experimental datum.; DH

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Knauth and Sabbah, 1990
Knauth, P.; Sabbah, R., Energetics of intra- and intermolecular bonds in «omega»-alkanediols (II) Thermochemical study of 1,2-ethanediol, 1,3-propanediol, 1,4-butanediol, and 1,5-pentanediol at 298.15K, Struct. Chem., 1990, 1, 43-46. [all data]

Knauth and Sabbah, 1989
Knauth, P.; Sabbah, R., Combustion calorimetry on milligram samples of liquid substances with a CRMT rocking bomb calorimeter. Application to the study of «omega»-alkanediol at 298.15 K, J. Chem. Thermodyn., 1989, 21, 203-210. [all data]

Gardner and Hussain, 1972
Gardner, P.J.; Hussain, K.S., The standard enthalpies of formation of some aliphatic diols, J. Chem. Thermodyn., 1972, 4, 819-827. [all data]

McClaine, 1947
McClaine, L.A., Thermodynamic data for some compounds containing carbon, hydrogen and oxygen, Ph.D. Thesis for Stanford University, 1947, 1-57. [all data]

Parks, West, et al., 1946
Parks, G.S.; West, T.J.; Naylor, B.F.; Fujii, P.S.; McClaine, L.A., Thermal data on organic compounds. XXIII. Modern combustion data for fourteen hydrocarbons and five polyhydroxy alcohols, J. Am. Chem. Soc., 1946, 68, 2524-2527. [all data]

Moureu and Dode, 1937
Moureu, H.; Dode, M., Chaleurs de formation de l'oxyde d'ethylene, de l'ethanediol et de quelques homologues, Bull. Soc. Chim. France, 1937, 4, 637-647. [all data]

Chao J., 1986
Chao J., Thermodynamic properties of key organic oxygen compounds in the carbon range C1 to C4. Part 2. Ideal gas properties, J. Phys. Chem. Ref. Data, 1986, 15, 1369-1436. [all data]

Buckley P., 1967
Buckley P., Infrared studies on rotational isomerism. I. Ethylene glycol, Can. J. Chem., 1967, 45, 397-407. [all data]

Stull D.R., 1969
Stull D.R., Jr., The Chemical Thermodynamics of Organic Compounds. Wiley, New York, 1969. [all data]

Yeh T.-S., 1994
Yeh T.-S., Global conformational analysis of 1,2-ethanediol, J. Phys. Chem., 1994, 98, 8921-8929. [all data]

Frei H., 1977
Frei H., Ethylene glycol: infrared spectra, ab initio calculation, vibrational analysis and conformations of 5 matrix isolated isotopic modifications, Chem. Phys., 1977, 25, 271-298. [all data]

Dyatkina M.E., 1954
Dyatkina M.E., Thermodynamic functions of normal alcohols (propanol, butanol, ethylene glycol), Zh. Fiz. Khim., 1954, 28, 377. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Parks, Kelley, et al., 1929
Parks, G.S.; Kelley, K.K.; Huffman, H.M., Thermal data on organic compounds. V. A revision of the entropies and free energies of nineteen organic compounds, J. Am. Chem. Soc., 1929, 51, 1969-1973. [all data]

Parks and Kelley, 1925
Parks, G.S.; Kelley, K.K., Thermal data on organic compounds. II. The heat capacities of five organic compounds. The entropies and free energies of some homologous series of aliphatic compounds, J. Am. Chem. Soc., 1925, 47, 2089-2097. [all data]

Zaripov, 1982
Zaripov, Z.I., Experimental study of the isobaric heat capacity of liquid organic compounds with molecular weights of up to 4000 a.e.m., 1982, Teplomassoobmen Teplofiz. [all data]

Stephens and Tamplin, 1979
Stephens, M.A.; Tamplin, W.S., Saturated liquid specific heats of ethylene glycol homologues, J. Chem. Eng. Data, 1979, 24, 81-82. [all data]

Murthy and Subrahmanyam, 1977
Murthy, N.M.; Subrahmanyam, S.V., Behaviour of excess heat capacity of aqueous non-electrolytes, Indian J. Pure Appl. Phys., 1977, 15, 485-489. [all data]

Kawaizumi, Otake, et al., 1972
Kawaizumi, F.; Otake, T.; Nomura, H.; Miyahara, Y., Heat capacities of aqueous solutions of ethylene glycol, propylene glycol and 1,3-butanediol, Nippon Kagaku. Kaishi, 1972, 1972, 1733-1776. [all data]

Paz Andrade, Paz, et al., 1970
Paz Andrade, M.I.; Paz, J.M.; Recacho, E., Contribucion a la microcalorimetria de los calores especificos de solidos y liquidos, An. Quim., 1970, 66, 961-967. [all data]

Nikolaev and Rabinovich, 1967
Nikolaev, P.N.; Rabinovich, I.B., Heat capacity of ethylene glycol and ethylene deuteroglycol in the temperature range 80-300K, Zhur. Fiz. Khim., 1967, 41, 2191-2194. [all data]

Tungusov and Mishchenko, 1965
Tungusov, V.P.; Mishchenko, K.P., Specific heat of pure ethylene glycol and solution of NaI and KI in ethylene glycol at 25°C, Zhur. Fiz. Khim., 1965, 39, 2968-2972. [all data]

Rabinovich and Nikolaev, 1962
Rabinovich, I.B.; Nikolaev, P.N., Isotopic effect in the specific heat of some deutero compounds, Dokl. Akad. Nauk, 1962, SSSR 142, 1335-1338. [all data]

Neiman and Kurlyankin, 1932
Neiman, M.B.; Kurlyankin, I.A., Thermodynamic studies of solutions. II. Study of the thermodynamics of aqueous solutions of ethylene glycol at different temperatures, Zhur. Obshch. Khim., 1932, 2, 318-321. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References